Nagy, Stanisław
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inżynieria środowiska, górnictwo i energetyka
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Item type:Article, Access status: Open Access , Tightness of hydrogen storage caverns in salt deposits(2017) Ślizowski, Jarosław; Smulski, Rafał; Nagy, Stanisław; Burliga, Stanisław; Polański, KrzysztofThe problem of rock salt massif tightness concerns all stored media. It is particularly important in the case of hydrogen, because of the small size of its molecules. Preliminary results of selected permeability tests performed under the project Hestor are discussed in the paper. The results of numerical calculations determining a potential range of gas leakage are also presented.Item type:Article, Access status: Open Access , The possibility of applying CAES technology in Polish conditions(2014) Nagy, Stanisław; Polański, Krzysztof; Ślizowski, JarosławIn this paper were described the possibility of energy storage in salt caverns in Poland, using the technology CAES (Compressed Air Energy Storage), taking into account the natural conditions and parameters of existing power plants in the world. Focusing primarily on the storage part of such an installation, made initial selecting potential areas in the Poland enabling comprehensive execution of the installation - part of the ground (wind turbines, installation, gas turbine) and part of the underground (salt cavern).Item type:Article, Access status: Open Access , Combined heat and power systems in liquefied natural gas (LNG) regasification processes(2014) Łaciak, Mariusz; Nagy, Stanisław; Włodek, TomaszAdaptation of liquefied natural gas (LNG) to the quality requirements for natural gas transportation pipeline system is a high energy intensive process. The energy for this process can be obtained include from waste heat in the industry processes, steam power blocks or sea water in LNG unloading terminal. Another way of obtaining the heat is burning of gas or other fuels. A large temperature difference between the heat sources in each of these cases, and the low temperature of LNG can be used to control of the pumping engine operation, it can provide optimization and reduction of the costs. Liquefied natural gas (LNG) can be used as a source of cold to the increasing power of the cogeneration process. The article examines some practical cogeneration solutions (combined heat and called power - CHP), which can improve the efficiency of the process of regasification of LNG.Item type:Article, Access status: Open Access , Society of Petroleum Engineers Poland Section - thirtieth anniversary(AGH University of Science and Technology Press, 2022) Nagy, Stanisław; Ślęk, Jakub; Kuczyński, SzymonThe SPE Poland Section (established in 1992) allows members and sympathizers to participate in interesting lectures, presented by international experts from various fields, associated with the oil and gas industry. In general, these are the Distinguished Lecturers chosen by the SPE, lecturers from various companies, and research centers present the latest technological developments in the oil and gas industry. The activity of the SPE Poland Section contributes to the expansion and strengthening of international scientific and technical cooperation. Also, it allows to its members to update their professional knowledge and learn about the trends in development and technological progress. Within the Section, AGH UST SPE Student Chapter acts an important role. SC brings together active students who organize workshops, industrial training, field trips, and internationally known East Meets West Congress. The work performed by Student Chapter is greatly appreciated by the academic community, as well as by the management of the region and the headquarters of the SPE. In 2022 SPE Poland Section celebrates 30$^{th}$ anniversary of its establishment and we would like to express our deep appreciation to all members of the Section and our sympathizers who have contributed so much to the development of science and education in the field of drilling, oil, and gas engineering.